Definition of: packing

(pak′ing) noun
1. The act or operation of filling an empty space, putting up for transportation, etc.
2. The canning or putting up of meat, fish, fruit, etc., for market, home consumption, etc.
3. The substance used in adjusting or protecting the article packed.
4. A greasy or other material for closing a joint.
5. A fibrous or porous substance for holding oil by absorption and assisting in the lubrication of a journal, etc.
6. A device for making a leakproof fit, as between a piston head and its cylinder.